/*
 * @(#)PDPConfig.java
 *
 * Copyright 2003-2004 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistribution of source code must retain the above copyright notice,
 *      this list of conditions and the following disclaimer.
 * 
 *   2. Redistribution in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * Neither the name of Sun Microsystems, Inc. or the names of contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 * 
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
 * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
 * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN")
 * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
 * AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
 * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
 * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
 * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
 * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 *
 * You acknowledge that this software is not designed or intended for use in
 * the design, construction, operation or maintenance of any nuclear facility.
 */

package org.wso2.balana;

import org.wso2.balana.finder.AttributeFinder;
import org.wso2.balana.finder.PolicyFinder;
import org.wso2.balana.finder.ResourceFinder;

/**
 * This class is used as a container that holds configuration information for
 * the PDP, which includes the <code>AttributeFinder</code>,
 * <code>PolicyFinder</code>, and <code>ResourceFinder</code> that the PDP
 * should use.
 * 
 * @since 1.0
 * @author Seth Proctor
 * @author Marco Barreno
 */
public class PDPConfig {

	//
	private AttributeFinder attributeFinder;

	//
	private PolicyFinder policyFinder;

	//
	private ResourceFinder resourceFinder;

	//
	private boolean multipleRequestHandle;

	/**
	 * Constructor that creates a <code>PDPConfig</code> from components.
	 * 
	 * @param attributeFinder
	 *            the <code>AttributeFinder</code> that the PDP should use, or
	 *            null if it shouldn't use any
	 * @param policyFinder
	 *            the <code>PolicyFinder</code> that the PDP should use, or null
	 *            if it shouldn't use any
	 * @param resourceFinder
	 *            the <code>ResourceFinder</code> that the PDP should use, or
	 *            null if it shouldn't use any
	 */
	public PDPConfig(AttributeFinder attributeFinder,
			PolicyFinder policyFinder, ResourceFinder resourceFinder) {
		this(attributeFinder, policyFinder, resourceFinder, true);
	}

	/**
	 * Constructor that creates a <code>PDPConfig</code> from components.
	 * 
	 * @param attributeFinder
	 *            the <code>AttributeFinder</code> that the PDP should use, or
	 *            null if it shouldn't use any
	 * @param policyFinder
	 *            the <code>PolicyFinder</code> that the PDP should use, or null
	 *            if it shouldn't use any
	 * @param resourceFinder
	 *            the <code>ResourceFinder</code> that the PDP should use, or
	 *            null if it shouldn't use any
	 * @param multipleRequestHandle
	 *            whether PDP capable of handling multiple requests or not
	 */
	public PDPConfig(AttributeFinder attributeFinder,
			PolicyFinder policyFinder, ResourceFinder resourceFinder,
			boolean multipleRequestHandle) {
		if (attributeFinder != null)
			this.attributeFinder = attributeFinder;
		else
			this.attributeFinder = new AttributeFinder();

		if (policyFinder != null)
			this.policyFinder = policyFinder;
		else
			this.policyFinder = new PolicyFinder();

		if (resourceFinder != null)
			this.resourceFinder = resourceFinder;
		else
			this.resourceFinder = new ResourceFinder();

		this.multipleRequestHandle = multipleRequestHandle;
	}

	/**
	 * Returns the <code>AttributeFinder</code> that was configured, or null if
	 * none was configured
	 * 
	 * @return the <code>AttributeFinder</code> or null
	 */
	public AttributeFinder getAttributeFinder() {
		return attributeFinder;
	}

	/**
	 * Returns the <code>PolicyFinder</code> that was configured, or null if
	 * none was configured
	 * 
	 * @return the <code>PolicyFinder</code> or null
	 */
	public PolicyFinder getPolicyFinder() {
		return policyFinder;
	}

	/**
	 * Returns the <code>ResourceFinder</code> that was configured, or null if
	 * none was configured
	 * 
	 * @return the <code>ResourceFinder</code> or null
	 */
	public ResourceFinder getResourceFinder() {
		return resourceFinder;
	}

	/**
	 * Returns the boolean that whether PDP capable of handling multiple
	 * requests or not
	 * 
	 * @return true or false
	 */
	public boolean isMultipleRequestHandle() {
		return multipleRequestHandle;
	}
}
